GE VME5565 VMIVME‑5565‑11000332‑015565‑110000P

Product Overview

The GE VME5565 VMIVME‑5565‑11000332‑015565‑110000P is a high‑performance reflective memory node card engineered for real‑time data sharing in distributed VMEbus control systems. Originally developed by General Electric (GE) under its VMIC / GE Intelligent Platforms family (now part of Abaco Systems), this module enables ultra‑fast, low‑latency communication between multiple embedded processors, workstations, or controllers in automation, simulation, and synchronized processing environments.

Reflective memory technology allows data written to one board’s onboard memory to be automatically propagated to all other nodes on a fiber‑optic network, ensuring that all systems maintain an identical local copy of key shared variables without burdening host processors.

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Core Functionality & Highlights

• Distributed Data Sharing: Enables real‑time reflection of memory data across multiple nodes without host CPU involvement, providing deterministic data synchronization.

• Fiber‑Optic Network Interface: High‑speed fiber links (typically 2.12 Gbaud) ensure reliable and noise‑immune communication over long distances.

• Low Latency Performance: Data latency between nodes is typically sub‑microsecond, supporting high‑speed real‑time control and interprocessor communication.

• Highly Scalable Topology: Supports large networks of up to 256 independent nodes on a reflective memory ring.

• Zero Processor Overhead: Reflective memory transfers are transparent to host software, reducing CPU load and improving system determinism.

  
  

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Technical Specifications

Specification	Description
Model	VME5565 / VMIVME‑5565
Part Number	VMIVME‑5565‑11000332‑015565‑110000P
Manufacturer	General Electric (VMIC / GE Intelligent Platforms; now Abaco Systems)
Product Type	VMEbus Reflective Memory Node Card
Bus Interface	VME‑64x (6U VMEbus Module)
Reflective Memory	64–128 MB SDRAM configurable (varies by specific build)
Fiber Link Speed	Up to ~2.12 Gbaud serial optical connection
Network Data Rate	~43–170 MB/s (variable with packet size)
Network Nodes Supported	Up to 256
Transmission Distance	Multimode fiber ~300 m; single‑mode fiber ~10 km (typical)
Latency	< 500 ns (typical node‑to‑node)
Operating Temp.	0 °C to +55 °C (industrial range)
Storage Temp.	−40 °C to +85 °C
Power Requirements	+5 V (typical)
Mounting	Standard 6U VME chassis slot

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Architecture & Component Layout

The VME5565 reflective memory card is built on a standard 6U VMEbus form factor, allowing it to plug directly into industrial rack systems. Its architecture includes:

• High‑speed SDRAM arrays configured for reflective memory use

• Fiber‑optic transceiver interfaces for network connectivity

• DMA engines and FIFO buffers for high‑throughput data transfer

• Error management circuitry to detect and remove rogue or corrupt data

• Interrupt support for network‑wide event signaling

This design enables real‑time data replication between all reflective memory nodes connected via fiber, ensuring that each system has immediate access to the same shared data values without additional software synchronization overhead.

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Application Areas

The GE VME5565 reflective memory node card is used in systems requiring deterministic, high‑speed shared data across multiple controllers or processors. Typical application domains include:

• Distributed Control Systems (DCS) and industrial automation networks

• Hardware‑in‑the‑loop (HIL) simulation platforms

• Real‑time test and measurement systems

• Aerospace and defense embedded computing

• High‑performance data acquisition and processing clusters

In these environments, synchronized memory sharing enables unified system state across independent processing nodes, crucial for time‑critical tasks and deterministic control loops.

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Installation & Maintenance Guidelines

Installation:

1. Insert the card into an appropriate 6U VMEbus slot in a rack or industrial enclosure.

2. Connect fiber‑optic cabling (multimode or single‑mode) to the reflective memory network ring.

3. Ensure proper chassis grounding and power supply adherence to reduce noise and electrical interference.

Maintenance:

• Periodically inspect fiber connectors and clean contaminations to ensure signal integrity.

• Monitor network node status LEDs to verify link health and performance.

• Avoid hot‑plugging the module when the system is powered, unless the chassis supports live insertion.

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Benefits & Advantages

• Ultra‑fast data synchronization: Deterministic memory replication across nodes reduces system latency and improves real‑time control responsiveness.

• CPU off‑load: Reflective memory operations occur at hardware level, minimizing host processor overhead.

• Scalable network design: Support for hundreds of nodes enables broad distributed systems.

• Reliable fiber‑optic communication: High bandwidth and long‑distance links boost network robustness in industrial installations.

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Lifecycle & Support Considerations

The VMIVME‑5565 reflective memory family has been widely deployed across legacy VME systems. However, it is considered legacy hardware, and new production has largely ceased, with ongoing support transitioning to specialized third‑party vendors or newer Abaco Systems solutions.